Key West harbor and its approaches.
Scale 1:50,000. LC Civil War Maps (2nd ed.), 117.7 United States Coast Survey, no. 469. General chart of Key West and environs showing soundings, lights, channels, and island vegetation. Inset: Sub-sketch of Key West harbor. Scale 1:30,000. 19 x 17 cm. Includes sailing directions. Description derived from published bibliography. Available also through the Library of Congress web site as raster image.
United States Coast Survey - Bache, A. D. (Alexander Dallas) - Hilgard, J. E. (Julius Erasmus)